Consists tumor Almschi of many types of cells functional, which represents more than one layer embryonic usually three layers, which arise from cells comprehensive totipotential cells, which embryonic stem cells have the ability to mutate any type of cells in the body, and more places that are common tumor is the region sacrococcygeal sacrococcygeal (57%) and the gonads (gonads (29% and more of this tumor Mounasl be ovarian, with incidence rate less Bal_khasip also occurs in the region mediastinal (mediastinum (7%, and behind the peritoneum (4%), and area neck (3%), and intracranial (3%), and of these tumors contain any tissue of the body's tissues such as hair, teeth, and fat, skin, and muscle, and glandular tissue.
التسميات
teratoma